... linear) 2.designed as a multiple function ultrasonic product Digital Ultrasound Scanner JAC-21353High Performance:The portable electronic convex ... port and 2 connectorsTechnical SpecificationScanning mode: Convex,transvaginal,high-frequency linearDisplay mode:B,B+B,B+M,M,4BDetectable ... packages for OBmeasurement.OB measurement:BPD,GS,CRL,FL.HC,AC,EDDNote function:Chinese&English version switch,date, ...